33#ifndef vtkPixelBufferObject_h
34#define vtkPixelBufferObject_h
37#include "vtkRenderingOpenGL2Module.h"
41class vtkOpenGLExtensionManager;
95 vtkGetMacro(Usage,
int);
96 vtkSetMacro(Usage,
int);
111 unsigned int newdims[3];
112 newdims[0] = numtuples;
116 newinc[0] = increment;
119 return this->Upload3D(type, data, newdims, comps, newinc, 0,
nullptr);
134 unsigned int newdims[3];
135 newdims[0] = dims[0];
136 newdims[1] = dims[1];
139 newinc[0] = increments[0];
140 newinc[1] = increments[1];
142 return this->Upload3D(type, data, newdims, comps, newinc, 0,
nullptr);
155 int components,
int* componentList);
163 vtkGetMacro(Type,
int);
164 vtkSetMacro(Type,
int);
171 vtkGetMacro(Components,
int);
172 vtkSetMacro(Components,
int);
180 vtkGetMacro(Size,
unsigned int);
181 vtkSetMacro(Size,
unsigned int);
189 vtkGetMacro(Handle,
unsigned int);
199 unsigned int newdims[3];
204 newincrements[0] = increment;
205 newincrements[1] = 0;
206 newincrements[2] = 0;
207 return this->Download3D(type, data, newdims, numcomps, newincrements);
218 unsigned int newdims[3];
219 newdims[0] = dims[0];
220 newdims[1] = dims[1];
223 newincrements[0] = increments[0];
224 newincrements[1] = increments[1];
225 newincrements[2] = 0;
226 return this->Download3D(type, data, newdims, numcomps, newincrements);
236 int type,
void* data,
unsigned int dims[3],
int numcomps,
vtkIdType increments[3]);
258 return this->MapBuffer(type, numtuples, comps, PACKED_BUFFER);
261 void*
MapPackedBuffer(
unsigned int numbytes) {
return this->MapBuffer(numbytes, PACKED_BUFFER); }
267 return this->MapBuffer(type, numtuples, comps, UNPACKED_BUFFER);
272 return this->MapBuffer(numbytes, UNPACKED_BUFFER);
a simple class to control print indentation
abstract base class for most VTK objects
abstracts an OpenGL pixel buffer object.
void SetSize(unsigned int nTups, int nComps)
Get the size of the data loaded into the PBO mapped memory.
static bool IsSupported(vtkRenderWindow *renWin)
Returns if the context supports the required extensions.
void * MapBuffer(int type, unsigned int numtuples, int comps, BufferType mode)
Map the buffer to our addresspace.
void DestroyBuffer()
Destroys the pixel buffer object.
vtkRenderWindow * GetContext()
Get/Set the context.
void UnmapUnpackedBuffer()
Convenience api for unmapping buffers from app address space.
void Allocate(unsigned int nbytes, BufferType mode)
Allocate PACKED/UNPACKED memory to hold nBytes of data.
void UnBind()
Deactivate the buffer.
void Bind(BufferType buffer)
Make the buffer active.
bool Download2D(int type, void *data, unsigned int dims[2], int numcomps, vtkIdType increments[2])
Download data from pixel buffer to the 2D array.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
bool LoadRequiredExtensions(vtkRenderWindow *renWin)
Loads all required OpenGL extensions.
void * MapBuffer(unsigned int numbytes, BufferType mode)
Map the buffer to our addresspace.
void * MapBuffer(BufferType mode)
Map the buffer to our addresspace.
void * MapUnpackedBuffer(int type, unsigned int numtuples, int comps)
bool Download3D(int type, void *data, unsigned int dims[3], int numcomps, vtkIdType increments[3])
Download data from pixel buffer to the 3D array.
void * MapUnpackedBuffer(unsigned int numbytes)
void * MapUnpackedBuffer()
void ReleaseMemory()
Release the memory allocated without destroying the PBO handle.
bool Upload1D(int type, void *data, unsigned int numtuples, int comps, vtkIdType increment)
Upload data to PBO mapped.
void * MapPackedBuffer(int type, unsigned int numtuples, int comps)
unsigned int BufferTarget
void BindToPackedBuffer()
Convenience methods for binding.
void SetContext(vtkRenderWindow *context)
Get/Set the context.
void Allocate(int vtkType, unsigned int numtuples, int comps, BufferType mode)
Allocate PACKED/UNPACKED memory to hold numTuples*numComponents of vtkType.
~vtkPixelBufferObject() override
void CreateBuffer()
Create the pixel buffer object.
void * MapPackedBuffer(unsigned int numbytes)
void UnmapBuffer(BufferType mode)
Un-map the buffer from our address space, OpenGL can then use/reclaim the buffer contents.
bool Download1D(int type, void *data, unsigned int dim, int numcomps, vtkIdType increment)
Download data from pixel buffer to the 1D array.
static vtkPixelBufferObject * New()
void * MapPackedBuffer()
Convenience api for mapping buffers to app address space.
void BindToUnPackedBuffer()
bool Upload3D(int type, void *data, unsigned int dims[3], int comps, vtkIdType increments[3], int components, int *componentList)
Update data to PBO mapped sourcing it from a 3D array.
vtkWeakPointer< vtkRenderWindow > Context
bool Upload2D(int type, void *data, unsigned int dims[2], int comps, vtkIdType increments[2])
Update data to PBO mapped sourcing it from a 2D array.
create a window for renderers to draw into
a weak reference to a vtkObject.